The Gold American Eagle series began in 1986. The obverse side is that of Lady Liberty created by Augustus Saint Gaudens design used for the 1907-1933 $20.00 US Double Eagle gold coin. The reverse features a heraldic eagle flying in to its nest accompanying another eagle that is already perched. It is one of the world’s most popular gold coins. The weight and purity of the Gold American Eagle is guaranteed by the United States Government at .999 purity.